we don't need libc. so don't link it


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5060 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/Makefile.core.am b/Makefile.core.am
index 69ca62e..c9729fe 100644
--- a/Makefile.core.am
+++ b/Makefile.core.am
@@ -36,7 +36,7 @@
 
 include $(top_srcdir)/Makefile.flags.am
 
-PRELOAD_LDFLAGS_COMMON = -shared -Wl,-z,interpose,-z,initfirst
+PRELOAD_LDFLAGS_COMMON = -nostdlib -shared -Wl,-z,interpose,-z,initfirst
 PRELOAD_LDFLAGS_X86_LINUX = $(PRELOAD_LDFLAGS_COMMON) @FLAG_M32@
 PRELOAD_LDFLAGS_AMD64_LINUX = $(PRELOAD_LDFLAGS_COMMON) -m64
 PRELOAD_LDFLAGS_PPC32_LINUX = $(PRELOAD_LDFLAGS_COMMON)
diff --git a/Makefile.tool.am b/Makefile.tool.am
index b990df1..bab28fa 100644
--- a/Makefile.tool.am
+++ b/Makefile.tool.am
@@ -61,7 +61,7 @@
 	$(TOOL_LDFLAGS_COMMON) \
 	-Wl,-T,$(top_builddir)/valt_load_address_ppc32_linux.lds
 
-PRELOAD_LDFLAGS_COMMON = -shared -Wl,-z,interpose,-z,initfirst
+PRELOAD_LDFLAGS_COMMON = -nostdlib -shared -Wl,-z,interpose,-z,initfirst
 PRELOAD_LDFLAGS_X86_LINUX = $(PRELOAD_LDFLAGS_COMMON) @FLAG_M32@
 PRELOAD_LDFLAGS_AMD64_LINUX = $(PRELOAD_LDFLAGS_COMMON) -m64
 PRELOAD_LDFLAGS_PPC32_LINUX = $(PRELOAD_LDFLAGS_COMMON)